/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/AsmParser/Parser.cpp
Line | Count | Source (jump to first uncovered line) |
1 | | //===- Parser.cpp - Main dispatch module for the Parser library -----------===// |
2 | | // |
3 | | // The LLVM Compiler Infrastructure |
4 | | // |
5 | | // This file is distributed under the University of Illinois Open Source |
6 | | // License. See LICENSE.TXT for details. |
7 | | // |
8 | | //===----------------------------------------------------------------------===// |
9 | | // |
10 | | // This library implements the functionality defined in llvm/AsmParser/Parser.h |
11 | | // |
12 | | //===----------------------------------------------------------------------===// |
13 | | |
14 | | #include "llvm/AsmParser/Parser.h" |
15 | | #include "LLParser.h" |
16 | | #include "llvm/ADT/STLExtras.h" |
17 | | #include "llvm/IR/Module.h" |
18 | | #include "llvm/Support/MemoryBuffer.h" |
19 | | #include "llvm/Support/SourceMgr.h" |
20 | | #include "llvm/Support/raw_ostream.h" |
21 | | #include <cstring> |
22 | | #include <system_error> |
23 | | using namespace llvm; |
24 | | |
25 | | bool llvm::parseAssemblyInto(MemoryBufferRef F, Module &M, SMDiagnostic &Err, |
26 | 27.0k | SlotMapping *Slots) { |
27 | 27.0k | SourceMgr SM; |
28 | 27.0k | std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(F); |
29 | 27.0k | SM.AddNewSourceBuffer(std::move(Buf), SMLoc()); |
30 | 27.0k | |
31 | 27.0k | return LLParser(F.getBuffer(), SM, Err, &M, Slots).Run(); |
32 | 27.0k | } |
33 | | |
34 | | std::unique_ptr<Module> llvm::parseAssembly(MemoryBufferRef F, |
35 | | SMDiagnostic &Err, |
36 | | LLVMContext &Context, |
37 | 27.0k | SlotMapping *Slots) { |
38 | 27.0k | std::unique_ptr<Module> M = |
39 | 27.0k | make_unique<Module>(F.getBufferIdentifier(), Context); |
40 | 27.0k | |
41 | 27.0k | if (parseAssemblyInto(F, *M, Err, Slots)) |
42 | 192 | return nullptr; |
43 | 26.8k | |
44 | 26.8k | return M; |
45 | 26.8k | } |
46 | | |
47 | | std::unique_ptr<Module> llvm::parseAssemblyFile(StringRef Filename, |
48 | | SMDiagnostic &Err, |
49 | | LLVMContext &Context, |
50 | 1.79k | SlotMapping *Slots) { |
51 | 1.79k | ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr = |
52 | 1.79k | MemoryBuffer::getFileOrSTDIN(Filename); |
53 | 1.79k | if (std::error_code EC1.79k = FileOrErr.getError()) { |
54 | 0 | Err = SMDiagnostic(Filename, SourceMgr::DK_Error, |
55 | 0 | "Could not open input file: " + EC.message()); |
56 | 0 | return nullptr; |
57 | 0 | } |
58 | 1.79k | |
59 | 1.79k | return parseAssembly(FileOrErr.get()->getMemBufferRef(), Err, Context, Slots); |
60 | 1.79k | } |
61 | | |
62 | | std::unique_ptr<Module> llvm::parseAssemblyString(StringRef AsmString, |
63 | | SMDiagnostic &Err, |
64 | | LLVMContext &Context, |
65 | 137 | SlotMapping *Slots) { |
66 | 137 | MemoryBufferRef F(AsmString, "<string>"); |
67 | 137 | return parseAssembly(F, Err, Context, Slots); |
68 | 137 | } |
69 | | |
70 | | Constant *llvm::parseConstantValue(StringRef Asm, SMDiagnostic &Err, |
71 | 383 | const Module &M, const SlotMapping *Slots) { |
72 | 383 | SourceMgr SM; |
73 | 383 | std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(Asm); |
74 | 383 | SM.AddNewSourceBuffer(std::move(Buf), SMLoc()); |
75 | 383 | Constant *C; |
76 | 383 | if (LLParser(Asm, SM, Err, const_cast<Module *>(&M)) |
77 | 383 | .parseStandaloneConstantValue(C, Slots)) |
78 | 6 | return nullptr; |
79 | 377 | return C; |
80 | 377 | } |
81 | | |
82 | | Type *llvm::parseType(StringRef Asm, SMDiagnostic &Err, const Module &M, |
83 | 11 | const SlotMapping *Slots) { |
84 | 11 | unsigned Read; |
85 | 11 | Type *Ty = parseTypeAtBeginning(Asm, Read, Err, M, Slots); |
86 | 11 | if (!Ty) |
87 | 0 | return nullptr; |
88 | 11 | if (11 Read != Asm.size()11 ) { |
89 | 1 | SourceMgr SM; |
90 | 1 | std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(Asm); |
91 | 1 | SM.AddNewSourceBuffer(std::move(Buf), SMLoc()); |
92 | 1 | Err = SM.GetMessage(SMLoc::getFromPointer(Asm.begin() + Read), |
93 | 1 | SourceMgr::DK_Error, "expected end of string"); |
94 | 1 | return nullptr; |
95 | 1 | } |
96 | 10 | return Ty; |
97 | 10 | } |
98 | | Type *llvm::parseTypeAtBeginning(StringRef Asm, unsigned &Read, |
99 | | SMDiagnostic &Err, const Module &M, |
100 | 22 | const SlotMapping *Slots) { |
101 | 22 | SourceMgr SM; |
102 | 22 | std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(Asm); |
103 | 22 | SM.AddNewSourceBuffer(std::move(Buf), SMLoc()); |
104 | 22 | Type *Ty; |
105 | 22 | if (LLParser(Asm, SM, Err, const_cast<Module *>(&M)) |
106 | 22 | .parseTypeAtBeginning(Ty, Read, Slots)) |
107 | 0 | return nullptr; |
108 | 22 | return Ty; |
109 | 22 | } |